<template>
  <header class="header">
        <!-- 头部的第一行 -->
        <div class="top">
            <div class="container">
                <div class="loginList">
                    <p><span style="color:red; font-weight:900">小李商城</span>欢迎您！</p>
                    <p v-if='!userName'>
                        <span>请</span>
                        <router-link to="/login">登录</router-link>
                        <router-link class="register" to="/register">免费注册</router-link>
                    </p>
                    <p v-else>
                        <a>{{userName}}</a>
                        <a class="register" @click="logout">退出登录</a>
                    </p>
                </div>
                <div class="typeList">
                    <router-link to="myorder">我的订单</router-link>
                    <router-link to="/shopcart">我的购物车</router-link>
                    <a href="###">我的尚品汇</a>
                    <a href="###">尚品汇会员</a>
                    <a href="###">企业采购</a>
                    <a href="###">关注尚品汇</a>
                    <a href="###">合作招商</a>
                    <router-link to="/trade">个人中心</router-link>
                </div>
            </div>
        </div>
        <!--头部第二行 搜索区域-->
        <div class="bottom">
            <h1 class="logoArea">
                <router-link  class="logo" to="/home">
                    <img src="./images/logo.png" alt="">
                </router-link>
            </h1>
            <div class="searchArea">
                <form action="###" class="searchForm">
                    <input type="text" id="autocomplete" class="input-error input-xxlarge"  v-model="keyword"/>
                    <button class="sui-btn btn-xlarge btn-danger" type="button" @click="goSearch">搜索</button>
                </form>
            </div>
        </div>
    </header>
</template>

<script>
export default {
    methods:{
       
        // 进入搜索页面
        goSearch(){
            if(this.$route.query){
                let location = {name:'search',params:{keyword:this.keyword || undefined}}
                location.query = this.$route.query
                this.$router.push(location)
            }
        },
        // 退出登录
        /*
            通知服务器退出登录，清除一些数据 token
            清空项目中的数据 userinfo token
        */
        async logout(){
            try{
                let result = await this.$store.dispatch('userlogout')
                this.$router.push({name:'home'})
            }catch(err){
                alert(err.message)
            }
        }
    },
    mounted() {
        this.$bus.$on('clear',()=>{
            this.keyword = ''
            // console.log('this.$bus.$on方法执行了')
        })
    },
    data(){
        return {
            keyword:'',
        }
    },
    computed:{
        userName(){
            return this.$store.state.user.userinfo.name
        }
    }

}
</script>

<style scoped lang='less'>
    .header {
        &>.top {
            background-color: #eaeaea;
            height: 30px;
            line-height: 30px;

            .container {
                width: 1200px;
                margin: 0 auto;
                overflow: hidden;

                .loginList {
                    float: left;

                    p {
                        float: left;
                        margin-right: 10px;

                        .register {
                            border-left: 1px solid #b3aeae;
                            padding: 0 5px;
                            margin-left: 5px;
                        }
                    }
                }

                .typeList {
                    float: right;

                    a {
                        padding: 0 10px;

                        &+a {
                            border-left: 1px solid #b3aeae;
                        }
                    }

                }

            }
        }

        &>.bottom {
            width: 1200px;
            margin: 0 auto;
            overflow: hidden;

            .logoArea {
                float: left;

                .logo {
                    img {
                        width: 175px;
                        margin: 25px 45px;
                    }
                }
            }

            .searchArea {
                float: right;
                margin-top: 35px;

                .searchForm {
                    overflow: hidden;

                    input {
                        box-sizing: border-box;
                        width: 490px;
                        height: 32px;
                        padding: 0px 4px;
                        border: 2px solid #ea4a36;
                        float: left;

                        &:focus {
                            outline: none;
                        }
                    }

                    button {
                        height: 32px;
                        width: 68px;
                        background-color: #ea4a36;
                        border: none;
                        color: #fff;
                        float: left;
                        cursor: pointer;

                        &:focus {
                            outline: none;
                        }
                    }
                }
            }
        }
    }
</style>